Huggins Manufacturing Company uses a job order cost system and standard costs. I
ID: 2471354 • Letter: H
Question
Huggins Manufacturing Company uses a job order cost system and
standard costs. It manufactures one product, whose standard cost follows:
Materials, 10 yards@$2.00 per yard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 20
Direct labor, 4 hours@$12.00 per hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Total factory overhead per unit (the ratio of variable costs to fixed costs is 2 to 1) . . . . 42
Total unit cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $110
The standards are based on normal capacity of 3,600 direct labor
hours. Actual activity for October follows:
Materials purchased, 20,000 yards@$1.95 per yard . . . . . . . . . . . . . . . . . . . . . . $39,000
(Materials used, 19,500 yards)
Direct labor, 3,500 hours@12.10 per hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19,215
Total factory overhead, 900 units actually produced . . . . . . . . . . . . . . . . . . . . . . 37,500
Required:
1. Compute the variable and fixed factory overhead rates per unit.
2. Compute the variable and fixed overhead rates per direct labor hour.
3. Determine the total fixed factory overhead based on normal capacity.
SOLUTION TO SELF-STUDY PROBLEM
1. Compute the variable and fixed factory overhead rates per unit:
We know that the total factory overhead cost per unit is $42 and the
variable rate is twice the fixed rate; therefore:
Let X ¼ the fixed factory overhead rate, and
2X ¼ the variable factory overhead rate, then
2X þ X ¼ $42
3X ¼ $42
X ¼ $14 fixed factory overhead rate per unit
2X ¼ $28 variable factory overhead rate per unit
Compute the variable and fixed overhead rates per direct labor hour:
In (1), we determined that the variable factory overhead rate was
$28 per unit and the fixed factory overhead rate was $14 per unit.
The problem indicates that the standard number of direct labor hours
to make a unit is four. Therefore:
Variable factory overhead rate per direct labor hour = $28/4 direct labor hours = $7
Fixed factory overhead rate per direct labor hour = $14/4 direct labor hours = $ 3.50
3. Determine the total fixed factory overhead based on normal capacity.
We know from above that the fixed factory overhead rate computed
at normal capacity is $3.50 per direct labor hour. The problem
indicated that the standards were based on a normal capacity of
3,600 direct labor hours. Therefore:
Total fixed factory overhead
¼ $3:50 _ 3; 600 direct labor hours at normal capacity ¼ $12; 600
(Note that the fixed factory overhead stays the same in total but
varies per unit within a relevant range of activity. At any capacity
level other than 3,600 hours, the rate will be something other than
$3.50, but the budgeted total will still be $12,600.)
Explanation / Answer
1
Calculation of variable and fixed factory overhead rates per unit:
Normal Capacity Hours
3600
Standard Hours Per unit
4
Normal Capacity Units = 3600 Hours / 4 Hours =
900
Total factory overhead per unit
$ 42
Total factory overhead = 900 Units * $42
$ 37,800
Variable Overhead Costs = 37800*2/3
$ 25,200
Fixed Overhead Costs = 37800-25200 =
$ 12,600
Variable Overhead rate per unit = $25200 / 900 Units =
$ 28.00
Fixed Overhead rate per unit = $12600 / 900 Units =
$ 14.00
2
Calculation of variable and fixed factory overhead rates per direct Labor hour:
Variable Overhead Costs
$ 25,200
Fixed Overhead Costs
$ 12,600
Total Direct Labor Hours
3600
Variable Overhead rate per direct labor hour = $25200 / 3600 hours =
$ 7.00
Fixed Overhead rate per direct labor hour = $12600 / 3600 hours =
$ 3.50
3
Calculation of total fixed factory overhead based on normal capacity:
Normal Capacity Hours
3600
Fixed Overhead rate per direct labor hour = $12600 / 3600 hours =
$ 3.50
Total fixed factory overhead based on normal capacity = 3600 Hours * $3.50
$12,600.00
1
Calculation of variable and fixed factory overhead rates per unit:
Normal Capacity Hours
3600
Standard Hours Per unit
4
Normal Capacity Units = 3600 Hours / 4 Hours =
900
Total factory overhead per unit
$ 42
Total factory overhead = 900 Units * $42
$ 37,800
Variable Overhead Costs = 37800*2/3
$ 25,200
Fixed Overhead Costs = 37800-25200 =
$ 12,600
Variable Overhead rate per unit = $25200 / 900 Units =
$ 28.00
Fixed Overhead rate per unit = $12600 / 900 Units =
$ 14.00
2
Calculation of variable and fixed factory overhead rates per direct Labor hour:
Variable Overhead Costs
$ 25,200
Fixed Overhead Costs
$ 12,600
Total Direct Labor Hours
3600
Variable Overhead rate per direct labor hour = $25200 / 3600 hours =
$ 7.00
Fixed Overhead rate per direct labor hour = $12600 / 3600 hours =
$ 3.50
3
Calculation of total fixed factory overhead based on normal capacity:
Normal Capacity Hours
3600
Fixed Overhead rate per direct labor hour = $12600 / 3600 hours =
$ 3.50
Total fixed factory overhead based on normal capacity = 3600 Hours * $3.50
$12,600.00
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